Here are some links that you will need:- The ECJ Owner's Manual.http://cs.gmu.edu/~eclab/projects/ecj/docs/manual/manual.pdf
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- T-test tutorial\
http://www.stattutorials.com/EXCEL/EXCEL_TTEST1.html
- Mann-Whitney test (non-normal data)
http://blog.excelmasterseries.com/2010/09/mann-whitney-u-test-done-in-excel.html
- GIMP – a handy free photo processing program
https://www.gimp.org/ 
 
https://github.com/illyaBakurov/RegressionProblemOnGPWithECJ